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directory.py
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directory.py
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# Copyright (C) 2017-2020 The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution
# License: GNU Affero General Public License version 3, or any later version
# See top-level LICENSE file for more information
import
os
from
django.http
import
HttpResponse
from
django.shortcuts
import
render
,
redirect
from
django.template.defaultfilters
import
filesizeformat
import
sentry_sdk
from
swh.web.common
import
service
from
swh.web.common.utils
import
(
reverse
,
gen_path_info
)
from
swh.web.common.exc
import
handle_view_exception
,
NotFoundExc
from
swh.web.browse.utils
import
(
get_directory_entries
,
get_snapshot_context
,
get_readme_to_display
,
get_swh_persistent_ids
,
gen_link
)
from
swh.web.browse.browseurls
import
browse_route
@browse_route
(
r'directory/(?P<sha1_git>[0-9a-f]+)/'
,
r'directory/(?P<sha1_git>[0-9a-f]+)/(?P<path>.+)/'
,
view_name
=
'browse-directory'
,
checksum_args
=
[
'sha1_git'
])
def
directory_browse
(
request
,
sha1_git
,
path
=
None
):
"""Django view for browsing the content of a directory identified
by its sha1_git value.
The url that points to it is
:http:get:`/browse/directory/(sha1_git)/[(path)/]`
"""
root_sha1_git
=
sha1_git
try
:
if
path
:
dir_info
=
service
.
lookup_directory_with_path
(
sha1_git
,
path
)
sha1_git
=
dir_info
[
'target'
]
dirs
,
files
=
get_directory_entries
(
sha1_git
)
origin_url
=
request
.
GET
.
get
(
'origin_url'
,
None
)
if
not
origin_url
:
origin_url
=
request
.
GET
.
get
(
'origin'
,
None
)
snapshot_context
=
None
if
origin_url
:
try
:
snapshot_context
=
get_snapshot_context
(
origin_url
=
origin_url
)
except
NotFoundExc
:
raw_dir_url
=
reverse
(
'browse-directory'
,
url_args
=
{
'sha1_git'
:
sha1_git
})
error_message
=
\
(
'The Software Heritage archive has a directory '
'with the hash you provided but the origin '
'mentioned in your request appears broken:
%s
. '
'Please check the URL and try again.
\n\n
'
'Nevertheless, you can still browse the directory '
'without origin information:
%s
'
%
(
gen_link
(
origin_url
),
gen_link
(
raw_dir_url
)))
raise
NotFoundExc
(
error_message
)
if
snapshot_context
:
snapshot_context
[
'visit_info'
]
=
None
except
Exception
as
exc
:
return
handle_view_exception
(
request
,
exc
)
path_info
=
gen_path_info
(
path
)
query_params
=
{
'origin'
:
origin_url
}
breadcrumbs
=
[]
breadcrumbs
.
append
({
'name'
:
root_sha1_git
[:
7
],
'url'
:
reverse
(
'browse-directory'
,
url_args
=
{
'sha1_git'
:
root_sha1_git
},
query_params
=
query_params
)})
for
pi
in
path_info
:
breadcrumbs
.
append
({
'name'
:
pi
[
'name'
],
'url'
:
reverse
(
'browse-directory'
,
url_args
=
{
'sha1_git'
:
root_sha1_git
,
'path'
:
pi
[
'path'
]},
query_params
=
query_params
)})
path
=
''
if
path
is
None
else
(
path
+
'/'
)
for
d
in
dirs
:
if
d
[
'type'
]
==
'rev'
:
d
[
'url'
]
=
reverse
(
'browse-revision'
,
url_args
=
{
'sha1_git'
:
d
[
'target'
]},
query_params
=
query_params
)
else
:
d
[
'url'
]
=
reverse
(
'browse-directory'
,
url_args
=
{
'sha1_git'
:
root_sha1_git
,
'path'
:
path
+
d
[
'name'
]},
query_params
=
query_params
)
sum_file_sizes
=
0
readmes
=
{}
for
f
in
files
:
query_string
=
'sha1_git:'
+
f
[
'target'
]
f
[
'url'
]
=
reverse
(
'browse-content'
,
url_args
=
{
'query_string'
:
query_string
},
query_params
=
{
'path'
:
root_sha1_git
+
'/'
+
path
+
f
[
'name'
],
'origin'
:
origin_url
})
if
f
[
'length'
]
is
not
None
:
sum_file_sizes
+=
f
[
'length'
]
f
[
'length'
]
=
filesizeformat
(
f
[
'length'
])
if
f
[
'name'
]
.
lower
()
.
startswith
(
'readme'
):
readmes
[
f
[
'name'
]]
=
f
[
'checksums'
][
'sha1'
]
readme_name
,
readme_url
,
readme_html
=
get_readme_to_display
(
readmes
)
sum_file_sizes
=
filesizeformat
(
sum_file_sizes
)
dir_metadata
=
{
"directory"
:
sha1_git
,
"number of regular files"
:
len
(
files
),
"number of subdirectories"
:
len
(
dirs
),
"sum of regular file sizes"
:
sum_file_sizes
}
vault_cooking
=
{
'directory_context'
:
True
,
'directory_id'
:
sha1_git
,
'revision_context'
:
False
,
'revision_id'
:
None
}
swh_objects
=
[{
'type'
:
'directory'
,
'id'
:
sha1_git
}]
swh_ids
=
get_swh_persistent_ids
(
swh_objects
=
swh_objects
,
snapshot_context
=
snapshot_context
)
heading
=
'Directory -
%s
'
%
sha1_git
if
breadcrumbs
:
dir_path
=
'/'
.
join
([
bc
[
'name'
]
for
bc
in
breadcrumbs
])
+
'/'
heading
+=
' -
%s
'
%
dir_path
return
render
(
request
,
'browse/directory.html'
,
{
'heading'
:
heading
,
'swh_object_id'
:
swh_ids
[
0
][
'swh_id'
],
'swh_object_name'
:
'Directory'
,
'swh_object_metadata'
:
dir_metadata
,
'dirs'
:
dirs
,
'files'
:
files
,
'breadcrumbs'
:
breadcrumbs
,
'top_right_link'
:
None
,
'readme_name'
:
readme_name
,
'readme_url'
:
readme_url
,
'readme_html'
:
readme_html
,
'snapshot_context'
:
snapshot_context
,
'vault_cooking'
:
vault_cooking
,
'show_actions_menu'
:
True
,
'swh_ids'
:
swh_ids
})
@browse_route
(
r'directory/resolve/content-path/(?P<sha1_git>[0-9a-f]+)/(?P<path>.+)/'
,
# noqa
view_name
=
'browse-directory-resolve-content-path'
,
checksum_args
=
[
'sha1_git'
])
def
_directory_resolve_content_path
(
request
,
sha1_git
,
path
):
"""
Internal endpoint redirecting to data url for a specific file path
relative to a root directory.
"""
try
:
path
=
os
.
path
.
normpath
(
path
)
if
not
path
.
startswith
(
'../'
):
dir_info
=
service
.
lookup_directory_with_path
(
sha1_git
,
path
)
if
dir_info
[
'type'
]
==
'file'
:
sha1
=
dir_info
[
'checksums'
][
'sha1'
]
data_url
=
reverse
(
'browse-content-raw'
,
url_args
=
{
'query_string'
:
sha1
})
return
redirect
(
data_url
)
except
Exception
as
exc
:
sentry_sdk
.
capture_exception
(
exc
)
return
HttpResponse
(
status
=
404
)
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